diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c583649b..4d6ee163 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        mysql: ["5.7", "8"]
+        mysql: ["5.7", "8.0"]
         distribution: ["debian:buster", "ubuntu:focal", "ubuntu:bionic"]
         ruby: ["3.3"]
         include:
diff --git a/.gitignore b/.gitignore
index 1f082308..e6812fa0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,7 @@
 /trilogy
 /test/test
 /example/trilogy_query
+
+# Ignore everything in the tmp directory except for the keep file.
+/tmp/**/*
+!/tmp/.keep
diff --git a/docker-compose.yml b/docker-compose.yml
index a15d2221..0e8cae99 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -13,7 +13,7 @@ services:
       MYSQL_DATABASE: test
       MYSQL_HOST: db.local
     volumes:
-      - "db-data:/var/lib/mysql"
+      - "./tmp/mysql-certs:/mysql-certs"
       - ./docker-entrypoint-initdb.d:/docker-entrypoint-initdb.d
       - ./test/auth_plugins/${MYSQL_VERSION}/auth_test_plugin.so:/usr/lib/mysql/plugin/auth_test_plugin.so
   app:
@@ -22,20 +22,18 @@ services:
     build:
       context: .
       args:
+        - BUILDKIT_INLINE_CACHE=1
         - DISTRIBUTION=${DISTRIBUTION}
         - RUBY_VERSION=${RUBY_VERSION}
       cache_from:
         - ghcr.io/trilogy-libraries/trilogy/ci-app:distro-${DISTRIBUTION_SLUG}-ruby-${RUBY_VERSION}-mysql-${MYSQL_VERSION}
     environment:
       MYSQL_HOST: db.local
-      TRILOGY_TEST_CERTS: "/db-data"
+      TRILOGY_TEST_CERTS: "/mysql-certs"
     depends_on:
       - db
     links:
       - "db:db.local"
       - "db:wildcard.db.local"
     volumes:
-      - "db-data:/db-data"
-
-volumes:
-  db-data:
+      - "./tmp/mysql-certs:/mysql-certs"
diff --git a/docker-entrypoint-initdb.d/generate_keys.sh b/docker-entrypoint-initdb.d/generate_keys.sh
index b57f417d..7169674c 100755
--- a/docker-entrypoint-initdb.d/generate_keys.sh
+++ b/docker-entrypoint-initdb.d/generate_keys.sh
@@ -1,4 +1,6 @@
-#!/bin/bash
+#!/usr/bin/env bash
+
+set -euo pipefail
 
 cd /var/lib/mysql
 
@@ -51,3 +53,8 @@ openssl x509 -req -sha256 -CA ca.pem -CAkey ca-key.pem -set_serial 2 \
     -days 365 \
     -in  client-csr.pem \
     -out client-cert.pem
+
+# Copy the certificates to the shared directory so that it's accessible from the app
+# container.
+
+cp /var/lib/mysql/*.pem /mysql-certs
diff --git a/script/cibuild b/script/cibuild
index b56598c6..b5555097 100755
--- a/script/cibuild
+++ b/script/cibuild
@@ -35,7 +35,7 @@ output_fold() {
 function cleanup() {
   echo
   echo "::group::Shutting down services..."
-  docker compose down -v
+  docker compose down --volumes
   echo "::endgroup::"
 }
 
@@ -43,14 +43,21 @@ trap cleanup EXIT
 
 export CI_MODE=true
 
-if [ -z "$MYSQL_VERSION" ]; then export MYSQL_VERSION=8 ; fi
+if [ -z "$MYSQL_VERSION" ]; then export MYSQL_VERSION=8.0 ; fi
 if [ -z "$DISTRIBUTION" ];  then export DISTRIBUTION=debian:buster ; fi
 if [ -z "$RUBY_VERSION" ];  then export RUBY_VERSION=3.2 ; fi
 
 DISTRIBUTION_SLUG="$(echo "$DISTRIBUTION" | awk '{ gsub(":", "_") ; print $0 }')"
 export DISTRIBUTION_SLUG
 
-docker compose rm -s -f -v
+# Prepare the shared directory where the certificates will be stored. We need to create
+# and chmod this directory on the host so that the permissions are persisted when the
+# the directory is mounted in the containers. Since the mysql container runs as a non-root
+# user, we need to ensure that the directory is writable by all users.
+mkdir tmp/mysql-certs
+chmod 777 tmp/mysql-certs
+
+docker compose rm --stop --force --volumes
 output_fold "Pull cache image..." docker compose pull app || true
 output_fold "Bootstrapping container..." docker compose build
 output_fold "Running tests..." docker compose run --rm app
diff --git a/test/auth_plugins/8/auth_test_plugin.so b/test/auth_plugins/8.0/auth_test_plugin.so
similarity index 100%
rename from test/auth_plugins/8/auth_test_plugin.so
rename to test/auth_plugins/8.0/auth_test_plugin.so
diff --git a/tmp/.keep b/tmp/.keep
new file mode 100644
index 00000000..e69de29b